Guide
How to find the best price on a dress or occasion gown
Sizing isn't consistent between designers
A UK 10 in one designer's cut can fit closer to a UK 12 or an 8 in another — this is genuinely common in womenswear, not a sign of mislabelling. Always check the specific size chart or measurements listed for that item rather than assuming your usual size, and factor this in before ruling out a cheaper listing over a sizing worry alone.
Occasion pieces move on a different clock
Formal and occasion wear — wedding guest dresses, evening gowns, prom-season pieces — gets marked down hardest right after its peak season (post-wedding-season, post-prom, post-party-season). If your event has flexibility, checking prices a season early or just after a peak period can mean a meaningfully lower price for the same or a very similar piece.
Everyday dresses: outlet vs. full price
For everyday and workwear dresses, outlet and department-store retailers frequently carry the same designer at a genuinely lower price than the designer's own boutique listing — it's the same product, not a lesser line, so it's always worth checking before paying full price.
The practical fix
Searching by style, colour, and size together across multiple retailers at once is the fastest way to see whether a cheaper option genuinely exists — without opening ten separate designer and department-store sites one at a time.